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diff python/utils.py @ 434:9a714f32fc9f

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small updates
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Sat, 30 Nov 2013 18:03:35 -0500
parents d40ad901b272
children abe0b2347d4c
line wrap: on
line diff
--- a/python/utils.py	Fri Nov 29 02:38:41 2013 -0500
+++ b/python/utils.py	Sat Nov 30 18:03:35 2013 -0500
@@ -195,6 +195,12 @@
     else:
         return 0.
     
+def triangular(center, x, halfwidth):
+    diff = abs(center-x)
+    if diff<halfwidth:
+        return 1.-abs(diff/halfwidth)
+    else:
+        return 0.
 
 def argMaxDict(d):
     return max(d.iterkeys(), key=(lambda key: d[key]))